We put all of our smarts into these new and improved run socks that feature our 4 Degree elite fit system, ReliaWool technology for superior durability and a virtually seamless toe. Men's-specific mesh ventilation zones provide ultimate temperature and moisture regulation where male runners need it most.
PhD Built for Performance in the Highest Degree
4 Degree Elite Fit System Uses two elastics for greater stretch and recovery to keep the sock in place
ReliaWool Patented ReliaWool technology in high impact areas provides superior durability
Mesh Venting Men's-specific mesh ventilation zones provide additional breathability and moisture management
Ultra Light Cushion Minimal cushioning for maximum next-to-foot performance without added bulk
Care Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.